package org.kava.ant;

public class Calculator {
  public Calculator() {
  }

  public long plus(long a, long b) {
	  return a+b;
  }

  public long substract(long a, long b) {
	  return a-b;
  }

  public long multiple(long a, long b) {
	  return a*b;
  }

  public long devide(long a, long b) {
	  return a/b;
  }

}